Forbes ranks Winfrey as the third-most-powerful woman in the world, trailing Michelle Obama and Irene Rosenfeld, CEO of Kraft.

Hosts of new shows that experienced success on their own shows thanks to Oprah.They are: Suze Orman, Rachael Ray, Dr. Phil, Dr. Mehmet Oz and Nate Berkus.

Countries where "The Oprah Show" is aired.

Pontiac G6 sedans she gave away to audience members during a September 2004 show."You get a car! And you get a car! Everybody gets a car!"

Kinds of products given away by Oprah during her "Favorite Things" episodes.

The number of emails Oprah receives each week.

Average number of prime-time viewers who watch OWN at night.

What advertisers are paid for a 30-second spot on the Oprah finale, matching what a hot prime-time spot costs.

Minimum estimated monthly circulation of "O, The Oprah Magazine."

The estimated number of viewers who tuned in to her show every week in the U.S.

Number of books sold after being selected by Oprah and then discussed and promoted on Oprah's Book Club.Of the 70 books she singled out, 59 made it to the USA Today bestseller list.

The number of homes that subscribe to her new network, OWN.

An estimate of the amount Oprah has reportedly given of her own money to charitable causes.Oprah has raised more than $51 million for charitable organizations through her show, including education. Her charitable organizations are said to be worth $200 million.

Her estimated net worth according to Forbes Magazine. She is also the only female African-American billionaire.